Roselia to release the 14th single. In addition to the newly written song "VIOLET LINE," it includes "Call the shots" and "Sunlit Musical" on the B-side. The Limited Edition comes with a Blu-ray, including a two-day live performance from their solo concert "Farbe" held at Ariake Arena in September 2023. Also, it contains previously unreleased scenes from the intermission video shown at the concert.